NSA Model 100S Replacement Water Filter US413			Choose Option h2o-Quick Connect MT-Compression Quantity: Price: $159.00
Specifically designed to replace the discontinued NSA Model 100S with the same dimensions and fitting options, but with increased capacity (25000 gallons VS 12000 gallons). NOTE: If your original filter was connected with polyproylene tubing then select - h2o-US4-13 Quick Connect under the fitting option. If your unit was connected with copper tubing then select - MT-US4-13 Compression under the fitting option ...more

Deluxe Undercounter Water Filter H2O-US4-IL			Quantity: Price: $179.00 DISCOUNTED PRICE: $164.00
Most popular undercounter retail unit on the market. Sealed, maintenance-free unit with quick connect fittings. High capacity - 35,000 gallons. ...more

Deluxe Undercounter w/ 10" Pre-Filter H2O-US4S			Quantity: Price: $199.00
Same as Deluxe Undercounter Water Filter (US4) with sediment pre-filter. ...more

Deluxe Undercounter w/ Ceramic Pre-filter US4-S200			Quantity: Price: $229.00
Same as Deluxe Undercounter Water Filter (US4) with self-sterilizing, cleanable ceramic pre-filter ...more

Standard Undercounter Water Filter H2O-US3			Quantity: Price: $199.00 DISCOUNTED PRICE: $169.00
Space saving undercounter model ...more

Standard Undercounter w/ 10" Pre-Filter H2O-US3S			Quantity: Price: $199.00
Same as Standard Undercounter Water Filter (US3) with sediment pre-filter ...more

Standard Undercounter w/ Ceramic Pre-Filter US3-S200			Quantity: Price: $209.00
Same as Standard Undercounter Water Filter (US3) with self-sterilizing, cleanable ceramic pre-filter ...more

Replaceable Undercounter Water Filter H2O-RUS			Quantity: Price: $119.00
Easily replaceable standard KDF/GAC cartridge ...more

Replaceable Undercounter w/ 10" Pre-Filter H2O-RUSD			Quantity: Price: $159.00
Same as Replaceable Undercounter Water Filter (RUS) with sediment pre-filter ...more